rcp problems

Hello,
I have added a second ethernet card to a server, since adding this card
rcp now fails with
'Host address mismatch'
I have tried adding the new IP# of the 2nd card to my source machine's
/root/.rhosts and /etc/hosts.equiv with no effect.
I can 'push' files with rcp from the source server (1 card)
but I cannot 'pull' from the source server into the target server ( 2
cards).
Any help would be greatly appreciated.
Stephen